Is 1115 a prime number?

1 115 is an odd number, because it is not evenly divisible by 2.

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• What is an even number?

A number is a perfect square (or a square number) if its square root is an integer; that is to say, it is the product of an integer with itself. Here, the square root of 1 115 is about 33.392.

Thus, the square root of 1 115 is not an integer, and therefore 1 115 is not a square number.

The square of a number (here 1 115) is the result of the product of this number (1 115) by itself (i.e., 1 115 × 1 115); the square of 1 115 is sometimes called "raising 1 115 to the power 2", or "1 115 squared".

The square of 1 115 is 1 243 225 because 1 115 × 1 115 = 1 115² = 1 243 225.

As a consequence, 1 115 is the square root of 1 243 225.

1 115 is a number with 4 digits.

The multiples of 1 115 are all integers evenly divisible by 1 115, that is all numbers such that the remainder of the division by 1 115 is zero. There are infinitely many multiples of 1 115. The smallest multiples of 1 115 are:

• 0: indeed, 0 is divisible by any natural number, and it is thus a multiple of 1 115 too, since 0 × 1 115 = 0
• 1 115: indeed, 1 115 is a multiple of itself, since 1 115 is evenly divisible by 1 115 (we have 1 115 / 1 115 = 1, so the remainder of this division is indeed zero)
• 2 230: indeed, 2 230 = 1 115 × 2
• 3 345: indeed, 3 345 = 1 115 × 3
• 4 460: indeed, 4 460 = 1 115 × 4
• 5 575: indeed, 5 575 = 1 115 × 5
• etc.

• Preceding numbers: …1 113, 1 114
• Following numbers: 1 116, 1 117…

Nearest numbers from 1 115

• Preceding prime number: 1 109
• Following prime number: 1 117

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• 1 115 est-il un nombre premier ?